Four-yearly Wage Structure Survey Four-yearly Wage Structure Survey. 2006 Annual average earnings per worker by sex, nationality and type of contract. Unidades: euros ;Total;Indefinite duration;Determined duration; Both sexes; Total;19.680,88;21.690,22;14.624,67; Spain;20.123,44;22.033,02;14.774,14; EU without Spain;20.424,18;25.055,15;14.835,9; Rest of Europe;14.101,32;14.006,21;14.180,29; North America;-23.169,08;..;..; Rest of America;13.811,29;14.212,75;13.439,44; Africa;13.458,78;13.881,67;13.185,18; Asia;12.476,04;-12.205,21;-13.203,63; Oceania;..;..;..; Males; Total;22.051,08;24.777,66;15.620,9; Spain;22.720,86;25.268,79;15.815,23; EU without Spain;22.530,09;28.934,71;16.088,61; Rest of Europe;15.404,24;15.479,98;15.353,43; North America;..;..;..; Rest of America;15.149,89;15.804,64;14.642,04; Africa;14.027,5;14.753,3;13.600,31; Asia;-12.650,85;-12.259,53;-13.614,02; Oceania;..;..;..; Females; Total;16.245,17;17.414,43;13.001,98; Spain;16.499,05;17.611,44;13.233,04; EU without Spain;16.802,69;19.701,87;-11.972,45; Rest of Europe;11.279,6;-11.743,69;-10.673,31; North America;..;..;..; Rest of America;11.564,31;12.108,77;10.885,83; Africa;-10.345,97;-10.449,42;-10.236,13; Asia;-11.659,38;-11.982,72;..; Oceania;..;..;..; Notas: Fuente: National Statistics Institute